/* * Mesa 3-D graphics library * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Keith Whitwell <keith@tungstengraphics.com> */ #include "main/mtypes.h" #include "main/bufferobj.h" #include "main/imports.h" #include "vbo_context.h" static void vbo_save_callback_init( struct gl_context *ctx ) { ctx->Driver.NewList = vbo_save_NewList; ctx->Driver.EndList = vbo_save_EndList; ctx->Driver.SaveFlushVertices = vbo_save_SaveFlushVertices; ctx->Driver.BeginCallList = vbo_save_BeginCallList; ctx->Driver.EndCallList = vbo_save_EndCallList; ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin; } /** * Called at context creation time. */ void vbo_save_init( struct gl_context *ctx ) { struct vbo_context *vbo = vbo_context(ctx); struct vbo_save_context *save = &vbo->save; save->ctx = ctx; vbo_save_api_init( save ); vbo_save_callback_init(ctx); { struct gl_client_array *arrays = save->arrays; unsigned i; memcpy(arrays, &vbo->currval[VBO_ATTRIB_POS], VERT_ATTRIB_FF_MAX * sizeof(arrays[0])); for (i = 0; i < VERT_ATTRIB_FF_MAX; ++i) { struct gl_client_array *array; array = &arrays[VERT_ATTRIB_FF(i)]; array->BufferObj = NULL; _mesa_reference_buffer_object(ctx, &arrays->BufferObj, vbo->currval[VBO_ATTRIB_POS+i].BufferObj); } memcpy(arrays + VERT_ATTRIB_GENERIC(0), &vbo->currval[VBO_ATTRIB_GENERIC0], VERT_ATTRIB_GENERIC_MAX * sizeof(arrays[0])); for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; ++i) { struct gl_client_array *array; array = &arrays[VERT_ATTRIB_GENERIC(i)]; array->BufferObj = NULL; _mesa_reference_buffer_object(ctx, &array->BufferObj, vbo->currval[VBO_ATTRIB_GENERIC0+i].BufferObj); } } ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END; } void vbo_save_destroy( struct gl_context *ctx ) { struct vbo_context *vbo = vbo_context(ctx); struct vbo_save_context *save = &vbo->save; GLuint i; if (save->prim_store) { if ( --save->prim_store->refcount == 0 ) { free(save->prim_store); save->prim_store = NULL; } if ( --save->vertex_store->refcount == 0 ) { _mesa_reference_buffer_object(ctx, &save->vertex_store->bufferobj, NULL); free(save->vertex_store); save->vertex_store = NULL; } } for (i = 0; i < VBO_ATTRIB_MAX; i++) { _mesa_reference_buffer_object(ctx, &save->arrays[i].BufferObj, NULL); } } /* Note that this can occur during the playback of a display list: */ void vbo_save_fallback( struct gl_context *ctx, GLboolean fallback ) { struct vbo_save_context *save = &vbo_context(ctx)->save; if (fallback) save->replay_flags |= VBO_SAVE_FALLBACK; else save->replay_flags &= ~VBO_SAVE_FALLBACK; }